Condition | Contraindication to play | ||
Absolute | Relative* | None* | |
Congenital anomalies | |||
Odontoid agenesis, hypoplasia or os odontoidium | X | ||
Type 1 Klippel-Feil¶ mass fusion | X | ||
Type 2 Klippel-FeilΔ congenital one-level fusion | X | ||
Atlanto-occipital fusion | X | ||
Spina bifida occulta | X | ||
Atlantoaxial conditions | |||
Atlantoaxial instability | X | ||
Atlantoaxial rotary fixation | X | ||
Stenosis of the spinal canal | |||
Spear tackler's spine | X | ||
Developmental stenosis of the spinal canal (canal/vertebral body ratio <0.8) | X | ||
Developmental stenosis of the spinal canal with: | |||
| X | ||
| X | ||
| X | ||
Developmental stenosis of the spinal canal with: | |||
| X | ||
| X | ||
| X | ||
Burners | |||
Recurrent acute and chronic burners | X | ||
Resolved burner | X |
* Provided individual is asymptomatic and neurologically normal and has full range of pain-free cervical motion.
¶ Type 1 Klippel-Feil anomaly: a mass fusion of the cervical and upper thoracic vertebrae.
Δ Type 2 Klippel-Feil anomaly: one- or two-level cervical fusion with full range of cervical motion, with no evidence of spinal instability or the presence of cervical disk disease or other degenerative changes.